MCX Engineer - Telecom Test and Certification

Location: Chertsey (Hybrid 3 days onsite, flexible as needed)
Contract Type:Fixed-Term Contract
Department: Mission Critical Test & Certification

Join a high-impact team delivering next-generation Mission Critical Communications (MCX) solutions across Europe. As an MCX Engineer, youll play a key role in testing and validating advanced telecom technologies that support public safety and emergency services.

This role offers the opportunity to work on cutting-edge platforms including device clients, RAN, Core, and MCPTX applications, contributing to the performance, reliability, and certification of mission-critical services.

• Develop and execute test strategies for MCX Client and Application solutions
• Perform functional, performance, accessibility, and compatibility testing
• Analyse logs and troubleshoot across IMS, SIP, RTP, Diameter, LTE, and TETRA networks
• Support sandbox testing and client development for certification readiness
• Collaborate with engineering and delivery teams to meet project milestones
• Manage trouble tickets and provide technical support to customers and partners

• Strong background in 4G/5G Core, IMS, and MCX technologies
• Experience with Android/iOS/Linux/Windows MCX client applications
• Proficiency in tools such as Wireshark, QXDM, IXIA, Spirent, XCAL, Jira, HPQC
• Knowledge of VNF deployments on VMware and OTA/EMM client software delivery
• Familiarity with 3GPP specifications and GCF certification standards
• Engineering degree or equivalent experience in Telecoms, Computer Science, or Electronics
• Willingness to travel and support an on-call rota

• Self-motivated and detail-oriented
• Able to execute complex test plans and manage risks effectively
• Strong communicator with excellent interpersonal skills
• Comfortable working in dynamic environments and customer-facing roles

• Technical Interview Demonstrate your expertise in device client and core network testing
• Suitability Interview Assess motivation, flexibility, and cultural fit

Ready to help shape the future of public safety communications?
Apply now or get in touch to learn more.

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